Home / 2,186,813.43-3,017,428.74-1,268,832.11

Finding the Fourth Proportional to 2,186,813.43, 3,017,428.74 and 1,268,832.11

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Solution

The fourth proportional to 2,186,813.43, 3,017,428.74 and 1,268,832.11 is: 1,750,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,813.43 : 3,017,428.74 = 1,268,832.11 : x
  2. Step 2: Convert to fraction form
    2,186,813.43/3,017,428.74 = 1,268,832.11/x
  3. Step 3: Cross multiply
    2,186,813.43x = 3,017,428.74 × 1,268,832.11
  4. Step 4: Simplify right side
    2,186,813.43x = 3,828,610,459,861.70
  5. Step 5: Solve for x
    x = 3,828,610,459,861.70/2,186,813.43
  6. Step 6: Final answer
    x = 1,750,771.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.